In Ruby, you check withnil?if an object is nil:article = nilarticle.nil? # => trueempty?checks if an element - like a string or an array f.e. - is em....
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其他好文 时间:
2014-09-04 09:39:17
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214
Determine if a Sudoku is valid, according to: Sudoku Puzzles - The Rules.The Sudoku board could be partially filled, where empty cells are filled with...
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其他好文 时间:
2014-09-03 19:39:47
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181
http://www.gamedev.net/topic/578866-d3d10-how-to-increase-maxcount-of-sv_clipdistance/ The D3D#_CLIP_OR_CULL_DISTANCE_* values are #defines in the d3d...
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其他好文 时间:
2014-09-03 14:56:56
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175
Culture/language nameCulture"" (empty string)Invariant cultureafAfrikaansaf-ZAAfrikaans (South Africa)sqAlbaniansq-ALAlbanian (Albania)arArabicar-DZAr...
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其他好文 时间:
2014-09-03 11:09:06
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217
0.8的官方文档提供了一个删除topic的命令:kafka-topics.sh--delete但是在运行时会报错找不到这个方法。kafka-topics.sh最终是运行了kafka.admin.TopicCommand这个类,在0.8的源码中这个类中没有找到有deletetopic相关的代码。在kafka的admin包下,提供了一个DeleteTopicComman..
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其他好文 时间:
2014-09-03 02:42:26
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1415
There are three jugs with a volume of a, b and c liters. (a, b, and c are positive integers not greater than 200). The first and the second jug are initially empty, while the third
is completely fill...
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其他好文 时间:
2014-09-02 22:55:45
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289
Write a program to solve a Sudoku puzzle by filling the empty cells.Empty cells are indicated by the character '.'.You may assume that there will be o...
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其他好文 时间:
2014-09-02 22:46:45
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227
Given a stringsconsists of upper/lower-case alphabets and empty space characters' ', return the length of last word in the string.If the last word doe...
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其他好文 时间:
2014-09-02 21:11:15
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171
XSS发生在评论处/帖子正文处index.php:37-38行1 $sql="insert into topic set tid='$tid',title='$title',nickname='$name',lastdate='$time',email='$email',content='$cont...
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其他好文 时间:
2014-09-02 21:08:55
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121
1 # -*- coding:utf-8 -*- 2 #! /usr/bin/env python 3 ''' 4 Created on 2014年9月2日 5 ''' 6 import gevent 7 from gevent.queue import Queue, Empty 8 import....
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其他好文 时间:
2014-09-02 19:42:25
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385